FNUS75 KSLC 221014
FWSSLC

SPOT FORECAST FOR WEST SCOFIELD
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
414 AM MDT TUE JUN 22 2010

.DISCUSSION...A WEAK TROUGH CURRENTLY OVER EASTERN NEVADA WILL
PASS THROUGH THE WEST SCOFIELD BURN SITE EARLY THIS AFTERNOON.
PRIOR TO TROUGH PASSAGE IT IS ANTICIPATED THAT DIURNALLY DRIVEN
SLOPE FLOWS WILL DOMINATE THE LOW/MID ELEVATIONS OF THE BURN
SITE...WITH SOUTHWESTERLY WINDS HOLDING ACROSS THE UPPER RIDGE.
WITH TROUGH PASSAGE THIS AFTERNOON ENOUGH FORCING WILL EXIST FOR
ISOLATED CUMULUS BUILDUPS ALONG THE PLATEAU...BUT THUNDERSTORM
DEVELOPMENT IS NOT EXPECTED AT THIS TIME. WINDS WILL BECOME MORE
NORTHWESTERLY THIS EVENING IN WAKE OF THE TROUGH...BUT SLOPE
DRIVEN FLOWS ARE ONCE AGAIN EXPECTED TO DEVELOP AROUND THE MIDDLE
OF THE NIGHT. A SLIGHT INCREASE OF STABILITY AND RH TRENDS IS
EXPECTED FOR TONIGHT...BUT CONTINUED DRY CONDITIONS DOMINATED BY
DIURNAL SLOPE FLOWS WILL RETURN FOR WEDNESDAY. HIGH PRESSURE WILL
BUILD RAPIDLY MID/LATE WEEK WITH INCREASING SOUTHWESTERLY FLOW
DEVELOPING THURSDAY.

.TODAY...
LAL...................1.
HAINES INDEX..........5 ..MODERATE.
CLEARING INDEX........1000+.
SKY/WEATHER...........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER). ISOLATED
                      CUMULUS BUILDUPS AFTER 1200
MAX TEMPERATURE.......62-65.
MIN HUMIDITY..........21-23 PERCENT.
WIND (20 FT)..........UPSLOPE/UPVALLEY 4-9 MPH DEVELOPING AFTER 1000.
                      RIDGES...SOUTHWEST WINDS 5-10 MPH INCREASING
                      TO WEST 10-20 MPH IN THE AFTERNOON.

.TONIGHT...
LAL...................1.
HAINES INDEX..........4 ..LOW.
SKY/WEATHER...........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).
MIN TEMPERATURE.......45-47.
MAX HUMIDITY..........60-62 PERCENT.
WIND (20 FT)..........NORTHWEST WINDS 10 TO 15 MPH
                      BECOMING DOWNSLOPE/DOWNVALLEY 4-9 MPH
                      AFTER MIDNIGHT.

.OUTLOOK FOR WEDNESDAY...
LAL...................1.
HAINES INDEX..........6 ..HIGH.
CLEARING INDEX........640.
SKY/WEATHER...........SUNNY (0-10 PERCENT CLOUD COVER).
MAX TEMPERATURE.......68-71.
MIN HUMIDITY..........16-19 PERCENT.
WIND (20 FT)..........UPSLOPE/UPVALLEY 5-10 MPH



FORECASTER...MERRILL
REQUESTED BY...HAL STEVENS
REASON FOR REQUEST...PRESCRIBED
.TAG 20100622.WESTS.01/SLC

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